| 1 | <?php |
| 2 | /** |
| 3 | * Smarty plugin |
| 4 | * @package Smarty |
| 5 | * @subpackage plugins |
| 6 | */ |
| 7 | |
| 8 | /** |
| 9 | * Prepend the cache information to the cache file |
| 10 | * and write it |
| 11 | * |
| 12 | * @param string $tpl_file |
| 13 | * @param string $cache_id |
| 14 | * @param string $compile_id |
| 15 | * @param string $results |
| 16 | * @return true|null |
| 17 | */ |
| 18 | |
| 19 | // $tpl_file, $cache_id, $compile_id, $results |
| 20 | |
| 21 | function smarty_core_write_cache_file($params, &$smarty) |
| 22 | { |
| 23 | |
| 24 | // put timestamp in cache header |
| 25 | $smarty->_cache_info['timestamp'] = time(); |
| 26 | if ($smarty->cache_lifetime > -1){ |
| 27 | // expiration set |
| 28 | $smarty->_cache_info['expires'] = $smarty->_cache_info['timestamp'] + $smarty->cache_lifetime; |
| 29 | } else { |
| 30 | // cache will never expire |
| 31 | $smarty->_cache_info['expires'] = -1; |
| 32 | } |
| 33 | |
| 34 | // collapse {nocache...}-tags |
| 35 | $params['results'] = preg_replace('!((\{nocache\:([0-9a-f]{32})#(\d+)\})' |
| 36 | .'.*' |
| 37 | .'{/nocache\:\\3#\\4\})!Us' |
| 38 | ,'\\2' |
| 39 | ,$params['results']); |
| 40 | $smarty->_cache_info['cache_serials'] = $smarty->_cache_serials; |
| 41 | |
| 42 | // prepend the cache header info into cache file |
| 43 | $params['results'] = serialize($smarty->_cache_info)."\n".$params['results']; |
| 44 | |
| 45 | if (!empty($smarty->cache_handler_func)) { |
| 46 | // use cache_handler function |
| 47 | call_user_func_array($smarty->cache_handler_func, |
| 48 | array('write', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'])); |
| 49 | } else { |
| 50 | // use local cache file |
| 51 | |
| 52 | if(!@is_writable($smarty->cache_dir)) { |
| 53 | // cache_dir not writable, see if it exists |
| 54 | if(!@is_dir($smarty->cache_dir)) { |
| 55 | $smarty->trigger_error('the $cache_dir \'' . $smarty->cache_dir . '\' does not exist, or is not a directory.', E_USER_ERROR); |
| 56 | return false; |
| 57 | } |
| 58 | $smarty->trigger_error('unable to write to $cache_dir \'' . realpath($smarty->cache_dir) . '\'. Be sure $cache_dir is writable by the web server user.', E_USER_ERROR); |
| 59 | return false; |
| 60 | } |
| 61 | |
| 62 | $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']); |
| 63 | $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id); |
| 64 | $_params = array('filename' => $_cache_file, 'contents' => $params['results'], 'create_dirs' => true); |
| 65 | require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.write_file.php'); |
| 66 | smarty_core_write_file($_params, $smarty); |
| 67 | return true; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | /* vim: set expandtab: */ |
| 72 | |
| 73 | ?> |